Fireplace damper



Jlme 25, 1940. I G. N. BRUNANDER FIREPLACE DAIIPER Filed March 20, 1939mm N m Mw Z NR Patented June 25, 1940 UNITED STATES PATENT oFFicEFIREPLACE DAMPER Gustav N. Brunander, Portland, Oreg. ApplicationMamh20,1939, serial No. 262,861

3 claims.

' frame for supporting the parts of the damper.

The fth object is to construct a damper which is light in weight andunaffected by the moisture and gases commonly associated with replaces.

The sixthvcbject is to construct a special form of support for the endsof the angular damper pivot.

I accomplish these and other objects in the manner set forth in thefollowing specification as illustrated in the accompanying drawing, in

which:

Fig. 1 is a fragmentary section through the throat of the fireplaceshowing the damper in end elevation taken' along the line I-I in Fig. 2.

Fig. 2 is a fragmentary broken section taken along the line 2-2 in Fig.1.

Fig. 3 is a perspective View of a support for the angular damper pivot.

Fig. 4 is a fragmentary transverse section taken along the line 4 4 inFig. 2.

Similar numerals refer to similar parts throughout the several views.

Referring in detail to the drawing, there is shown a common form offireplace comprising the side Walls Ill, the arch I I and the fire wallI2 on the opposite ends of whose top side I3 are disposed the supportsI4 having the openings I5 formed therein.` The openings I5 have thesloping sides I6 and the rounded top I'I. 'I'he supports I4 are imbeddedin the masonry of the side walls I 9. i

Within the openings I5 is mounted the ends of the angular bar I8. In theangular bar I8 is mounted the tiltable damper I9 Whose lower edge barelyclears the inner corner ZI of the angular bar I8.

It will be understood that the angular bar I8 is slidable Within theopenings I5 to permit the expansionl andv contraction thereof withoutinjuring the masonry.

It is desirable to provide the trunnions 22 at each end of the damper.I9 and it is upon these trunnions that the `damper pivots. The trun.

' nions 22 project into the openings I5 and pre- Vent the accidentaldisplacement of the damper.'

A lever 23 isv attached to the damper I9 by means of the bolts 24. Thelever 23 has formed on its lowermost end an eye 25 into which may beinserted an operating iron such as a poker.

In constructing the fireplace it is desirable to I .provide an angle bar26 along the inner side of the arch and it is against this bar 2,6 thatthe damper I9 rests when in a closed position as shown in dotted linesin Fig. 1.

It is. desirable to close the space between the angular bar I8 andthetop I3 with a suitable plastic material 2'I. There'is also provided arib 28 along the back of the damper I9 for stiffening:-

purposes. Y Y

It can be seen that by this construction there is provided an extremelyefficient, inexpensive and durable damper which is positive .in itsopenf ing and closing operations and which does not require the-use ofthe unsightly chain lpull commonly remployed for this purpose.

Attention` is drawn to my former Patent No. V 1,605,704, dated November2, V1926, over which this damper is an improvement.

I'claim:

1. A support for angular damper pivots con-l lsisting of a body of metaladapted to. be imbedded Iin-the re walls of a fireplace, saidbodyfhavin'g 2. A fireplace damper consisting of an angle of a furnacein a manner to form a trough thereon, a trough-shaped support -for eachend of said bar adapted to slidably support same, the damper having oneedge thereof pivotally mounted in said trough and means for retainingsaid damper in said trough.

GUSTAV N. BRUNANDER.

